Home / 29,511-40,726.89-16,936.56

Finding the Fourth Proportional to 29,511, 40,726.89 and 16,936.56

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Solution

The fourth proportional to 29,511, 40,726.89 and 16,936.56 is: 23,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,511 : 40,726.89 = 16,936.56 : x
  2. Step 2: Convert to fraction form
    29,511/40,726.89 = 16,936.56/x
  3. Step 3: Cross multiply
    29,511x = 40,726.89 × 16,936.56
  4. Step 4: Simplify right side
    29,511x = 689,773,416.10
  5. Step 5: Solve for x
    x = 689,773,416.10/29,511
  6. Step 6: Final answer
    x = 23,373.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.